1. CPC Sections
  2. CPC Section C
  3. CPC Class C01
  4. CPC Subclass C01G
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CPC
COOPERATIVE PATENT CLASSIFICATION
C01G
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B 6/00; salts of oxyacids of halogens C01B 11/00; peroxides, salts or peroxyacids C01B 15/00; thiosulfates, dithionites, polythionates C01B 17/64; compounds containing selenium, or tellurium C01B 19/00; binary compounds of nitrogen with metals C01B 21/06; azides C01B 21/08; {compounds containing nitrogen, other non-metals and metal C01B 21/082}; metal amides C01B 21/092; nitrites C01B 21/50; {compounds of noble gases C01B 23/0005}; phosphides C01B 25/08; salts of oxyacids of phosphorus C01B 25/16; carbides C01B 32/90; compounds containing silicon C01B 33/00; compounds containing boron C01B 35/00; compounds having molecular sieve properties but not having base-exchange properties C01B 37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B 39/00; cyanides C01C 3/08; salts of cyanamide C01C 3/16; thiocyanates C01C 3/20) [2017-08]
C01G 1/00
Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general (electrolytic production of inorganic compounds C25B 1/00) [2013-01]
C01G 1/02
.
Oxides [2013-01]
C01G 1/04
.
Carbonyls [2013-01]
C01G 1/06
.
Halides [2013-01]
C01G 1/08
.
Nitrates [2013-01]
C01G 1/10
.
Sulfates [2013-01]
C01G 1/12
.
Sulfides [2013-01]
C01G 1/14
.
Sulfites [2013-01]
C01G 3/00
Compounds of copper [2013-01]
C01G 3/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 3/006
.
{Compounds containing copper, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 3/02
.
Oxides; Hydroxides [2013-01]
C01G 3/04
.
Halides [2013-01]
C01G 3/05
. .
Chlorides [2013-01]
C01G 3/06
. .
Oxychlorides [2013-01]
C01G 3/08
.
Nitrates [2013-01]
C01G 3/10
.
Sulfates [2013-01]
C01G 3/12
.
Sulfides [2013-01]
C01G 3/14
.
Complexes with ammonia [2013-01]
C01G 5/00
Compounds of silver [2013-01]
C01G 5/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 5/006
.
{Compounds containing silver, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 5/02
.
Halides [2013-01]
C01G 7/00
Compounds of gold [2013-01]
C01G 7/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 7/006
.
{Compounds containing gold, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 9/00
Compounds of zinc [2013-01]
C01G 9/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 9/006
.
{Compounds containing zinc, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 9/02
.
Oxides; Hydroxides [2013-01]
C01G 9/03
. .
Processes of production using dry methods, e.g. vapour phase processes [2013-01]
C01G 9/04
.
Halides [2013-01]
C01G 9/06
.
Sulfates [2013-01]
C01G 9/08
.
Sulfides [2013-01]
C01G 11/00
Compounds of cadmium [2013-01]
C01G 11/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 11/006
.
{Compounds containing cadmium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 11/02
.
Sulfides [2013-01]
C01G 13/00
Compounds of mercury [2013-01]
C01G 13/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 13/006
.
{Compounds containing mercury, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 13/02
.
Oxides [2013-01]
C01G 13/04
.
Halides [2013-01]
C01G 15/00
Compounds of gallium, indium or thallium [2013-01]
C01G 15/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 15/006
.
{Compounds containing gallium, indium or thallium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 17/00
Compounds of germanium [2013-01]
C01G 17/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 17/006
.
{Compounds containing germanium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 17/02
.
Germanium dioxide [2013-01]
C01G 17/04
.
Halides of germanium [2013-01]
C01G 19/00
Compounds of tin [2013-01]
C01G 19/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 19/006
.
{Compounds containing tin, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 19/02
.
Oxides [2013-01]
C01G 19/04
.
Halides [2013-01]
C01G 19/06
. .
Stannous chloride [2013-01]
C01G 19/08
. .
Stannic chloride [2013-01]
C01G 21/00
Compounds of lead [2013-01]
C01G 21/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 21/006
.
{Compounds containing lead, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 21/02
.
Oxides [2013-01]
C01G 21/04
. .
Lead suboxide [Pb2O] [2024-01]
C01G 21/06
. .
Lead monoxide [PbO] [2024-01]
C01G 21/08
. .
Lead dioxide [PbO2] [2024-01]
C01G 21/10
. .
Red lead [Pb3O4] [2024-01]
C01G 21/12
.
Hydroxides [2013-01]
C01G 21/14
.
Carbonates [2013-01]
C01G 21/16
.
Halides [2013-01]
C01G 21/18
.
Nitrates [2013-01]
C01G 21/20
.
Sulfates [2013-01]
C01G 21/21
.
Sulfides [2013-01]
C01G 21/22
.
Plumbates; Plumbites [2013-01]
C01G 23/00
Compounds of titanium {(preparation of Ti-compounds from ores or scraps C22B 34/12)} [2013-01]
C01G 23/001
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 23/002
.
{Compounds containing titanium, with or without oxygen or hydrogen, and containing two or more other elements (C01G 23/001, C01G 23/003 take precedence)} [2025-01]
C01G 23/003
.
{Titanates (C01G 23/001 takes precedence)} [2021-08]
C01G 23/005
. .
{Alkali titanates} [2013-01]
C01G 23/006
. .
{Alkaline earth titanates} [2013-01]
C01G 23/007
.
{Titanium sulfides (C01G 23/001 takes precedence)} [2013-01]
C01G 23/008
.
{Titanium- and titanyl sulfate (C01G 23/001 takes precedence)} [2013-01]
C01G 23/02
.
Halides of titanium [2013-01]
C01G 23/022
. .
{Titanium tetrachloride} [2013-01]
C01G 23/024
. . .
{Purification of tetrachloride} [2013-01]
C01G 23/026
. .
{Titanium trichloride} [2013-01]
C01G 23/028
. .
{Titanium fluoride} [2013-01]
C01G 23/04
.
Oxides; Hydroxides [2013-01]
C01G 23/043
. .
{Titanium sub-oxides} [2013-01]
C01G 23/047
. .
Titanium dioxide [2013-01]
C01G 23/0475
. . .
{Purification} [2013-01]
C01G 23/053
. . .
Producing by wet processes, e.g. hydrolysing titanium salts [2013-01]
C01G 23/0532
. . . .
{by hydrolysing sulfate-containing salts} [2013-01]
C01G 23/0534
. . . . .
{in the presence of seeds} [2013-01]
C01G 23/0536
. . . .
{by hydrolysing chloride-containing salts} [2013-01]
C01G 23/0538
. . . . .
{in the presence of seeds} [2013-01]
C01G 23/07
. . .
Producing by vapour phase processes, e.g. halide oxidation [2013-01]
C01G 23/075
. . . .
{Evacuation and cooling of the gaseous suspension containing the oxide; Desacidification and elimination of gases occluded in the separated oxide} [2013-01]
C01G 23/08
. . .
Drying; Calcining {; After treatment of titanium oxide} [2017-08]
C01G 25/00
Compounds of zirconium [2013-01]
C01G 25/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 25/006
.
{Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 25/02
.
Oxides [2013-01]
C01G 25/04
.
Halides [2013-01]
C01G 25/06
.
Sulfates [2013-01]
C01G 27/00
Compounds of hafnium [2013-01]
C01G 27/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 27/006
.
{Compounds containing hafnium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 27/02
.
Oxides [2013-01]
C01G 27/04
.
Halides [2013-01]
C01G 27/06
.
Sulfates [2013-01]
C01G 28/00
Compounds of arsenic [2013-01]
C01G 28/001
.
{Preparation involving a solvent-solvent extraction, an adsorption or an ion-exchange} [2013-01]
C01G 28/002
.
{Compounds containing arsenic, with or without oxygen or hydrogen, and containing two or more other elements (C01G 28/001 takes precedence)} [2025-01]
C01G 28/004
. .
{containing halogen} [2013-01]
C01G 28/005
.
{Oxides; Hydroxides; Oxyacids (C01G 28/001 takes precedence)} [2013-01]
C01G 28/007
.
{Halides (C01G 28/001 takes precedence)} [2013-01]
C01G 28/008
.
{Sulfides (C01G 28/001 takes precedence)} [2013-01]
C01G 28/02
.
Arsenates; Arsenites {(C01G 28/001 takes precedence)} [2013-01]
C01G 28/023
. .
{of ammonium, alkali or alkaline-earth metals or magnesium} [2013-01]
C01G 28/026
. .
{containing at least two metals} [2013-01]
C01G 29/00
Compounds of bismuth [2013-01]
C01G 29/003
.
{Preparations involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 29/006
.
{Compounds containing bismuth, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 30/00
Compounds of antimony [2013-01]
C01G 30/001
.
{Preparation involving a solvent-solvent extraction, an adsorption or an ion-exchange} [2013-01]
C01G 30/002
.
{Compounds containing antimony, with or without oxygen or hydrogen, and containing two or more other elements (C01G 30/001 takes precedence)} [2025-01]
C01G 30/003
. .
{containing halogen} [2013-01]
C01G 30/004
.
{Oxides; Hydroxides; Oxyacids (C01G 30/001 takes precedence)} [2013-01]
C01G 30/005
. .
{Oxides} [2013-01]
C01G 30/006
.
{Halides (C01G 30/001 takes precedence)} [2013-01]
C01G 30/007
. .
{of binary type SbX3 or SbX5 with X representing a halogen, or mixed of the type SbX3X'2 with X,X' representing different halogens} [2013-01]
C01G 30/008
.
{Sulfides (C01G 30/001 takes precedence)} [2013-01]
C01G 30/02
.
Antimonates; Antimonites {(C01G 30/001 takes precedence)} [2013-01]
C01G 30/023
. .
{of ammonium, alkali or alkaline-earth metals or magnesium} [2013-01]
C01G 30/026
. .
{containing at least two metals} [2013-01]
C01G 31/00
Compounds of vanadium [2013-01]
C01G 31/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 31/006
.
{Compounds containing vanadium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 31/02
.
Oxides [2013-01]
C01G 31/04
.
Halides [2013-01]
C01G 33/00
Compounds of niobium [2017-08]
C01G 33/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 33/006
.
{Compounds containing niobium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 35/00
Compounds of tantalum [2013-01]
C01G 35/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 35/006
.
{Compounds containing tantalum, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 35/02
.
Halides [2013-01]
C01G 37/00
Compounds of chromium [2013-01]
C01G 37/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 37/006
.
{Compounds containing chromium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 37/02
.
Oxides or hydrates thereof [2013-01]
C01G 37/027
. .
Chromium dioxide [2013-01]
C01G 37/033
. .
Chromium trioxide; Chromic acid [2013-01]
C01G 37/04
.
Chromium halides [2013-01]
C01G 37/06
. .
Chromylhalides [2013-01]
C01G 37/08
.
Chromium sulfates [2013-01]
C01G 37/10
. .
Chrome alum [2013-01]
C01G 37/14
.
Chromates; Bichromates [2013-01]
C01G 39/00
Compounds of molybdenum [2013-01]
C01G 39/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 39/006
.
{Compounds containing molybdenum, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 39/02
.
Oxides; Hydroxides [2013-01]
C01G 39/04
.
Halides [2013-01]
C01G 39/06
.
Sulfides [2013-01]
C01G 41/00
Compounds of tungsten [2013-01]
C01G 41/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 41/006
.
{Compounds containing tungsten, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 41/02
.
Oxides; Hydroxides [2013-01]
C01G 41/04
.
Halides [2013-01]
C01G 43/00
Compounds of uranium [2013-01]
C01G 43/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 43/006
.
{Compounds containing uranium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 43/01
.
Oxides; Hydroxides [2013-01]
C01G 43/025
. .
Uranium dioxide [2013-01]
C01G 43/04
.
Halides of uranium [2013-01]
C01G 43/06
. .
Fluorides [2013-01]
C01G 43/063
. . .
{Hexafluoride (UF6)} [2013-01]
C01G 43/066
. . . .
{Preparation} [2013-01]
C01G 43/08
. .
Chlorides [2013-01]
C01G 43/10
. .
Bromides [2013-01]
C01G 43/12
. .
Iodides [2013-01]
​
C01G 45/00
Compounds of manganese [2025-01]
WARNING

​
C01G 45/01
.
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange [2025-01]
WARNING

​
C01G 45/02
.
Oxides [2025-01]
WARNING

​
C01G 45/022
. .
Manganese monoxide [2025-01]
WARNING

  • Group C01G 45/022 is incomplete pending reclassification of documents from group C01G 45/02.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/024
. .
Manganese dioxide [2025-01]
WARNING

  • Group C01G 45/024 is incomplete pending reclassification of documents from group C01G 45/02.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/026
. .
Dimanganese trioxide [2025-01]
WARNING

  • Group C01G 45/026 is incomplete pending reclassification of documents from group C01G 45/02.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/028
. .
Trimanganese tetraoxide [2025-01]
WARNING

  • Group C01G 45/028 is incomplete pending reclassification of documents from group C01G 45/02.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/03
.
Hydroxides; Oxyhydroxides [2025-01]
WARNING

  • Group C01G 45/03 is incomplete pending reclassification of documents from groups C01G 45/00 and C01G 45/02.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 45/04
.
Carbonyls [2013-01]
​
C01G 45/05
.
Carbonates [2025-01]
WARNING

  • Group C01G 45/05 is incomplete pending reclassification of documents from group C01G 45/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/06
.
Halides; Oxyhalides [2025-01]
WARNING

  • Group C01G 45/06 is impacted by reclassification into group C01G 45/07.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/07
. .
Chlorides; Oxychlorides [2025-01]
WARNING

  • Group C01G 45/07 is incomplete pending reclassification of documents from group C01G 45/06.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 45/08
.
Nitrates [2013-01]
C01G 45/10
.
Sulfates [2013-01]
C01G 45/12
.
Complex oxides containing manganese and at least one other metal element [2025-01]
C01G 45/1207
. .
Permanganates ([MnO4)-] or manganates ([MnO4)2-] [2025-01]
C01G 45/1214
. . .
containing alkali metals [2025-01]
C01G 45/1221
. .
Manganates or manganites with trivalent manganese, tetravalent manganese or mixtures thereof [2025-01]
C01G 45/1228
. . .
of the type (MnO2)-, e.g. LiMnO2 or Li(MxMn1-x)O2 [2025-01]
C01G 45/1235
. . .
of the type (Mn2O4)2-, e.g. Li2Mn2O4 or Li2(MxMn2-x)O4 [2025-01]
C01G 45/1242
. . .
of the type (Mn2O4)-, e.g. LiMn2O4 or Li(MxMn2-x)O4 [2025-01]
C01G 45/125
. . .
of the type (MnO3)n-, e.g. CaMnO3 [2025-01]
C01G 45/1257
. . . .
containing lithium, e.g. Li2MnO3 or Li2(MxMn1-x)O3 [2025-01]
C01G 45/1264
. . . .
containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3 [2025-01]
C01G 45/1271
. . .
{of the type (Mn2O8)n-, e.g. (LaSr3)Mn2O8} [2025-01]
C01G 45/1278
. . .
{of the type (Mn2O7)n-, e.g. (Sr2-xNdx)Mn2O7 or Tl2Mn2O7} [2025-01]
C01G 45/1285
. . .
{of the type (Mn2O5)n-} [2025-01]
C01G 45/1292
. . .
{of the type (Mn5O12)n-} [2025-01]
​
C01G 45/20
.
Compounds containing manganese, with or without oxygen or hydrogen, and containing one or more other elements (C01G 45/04 - C01G 45/12 take precedence) [2025-01]
WARNING

  • Group C01G 45/20 is incomplete pending reclassification of documents from group C01G 45/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/22
. .
Compounds containing manganese, with or without oxygen or hydrogen, and containing two or more other elements [2025-01]
WARNING

  • Group C01G 45/22 is incomplete pending reclassification of documents from group C01G 45/00.
    Group C01G 45/22 is also impacted by reclassification into group C01G 45/24.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 45/24
. .
Hydroxides [2025-01]
WARNING

  • Group C01G 45/24 is incomplete pending reclassification of documents from groups C01G 45/00 and C01G 45/22.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 47/00
Compounds of rhenium [2013-01]
C01G 47/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 47/006
.
{Compounds containing rhenium, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 49/00
Compounds of iron [2013-01]
C01G 49/0009
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 49/0018
.
{Mixed oxides or hydroxides, (C01G 49/0009 takes precedence)} [2018-08]
C01G 49/0027
. .
{containing one alkali metal} [2013-01]
C01G 49/0036
. .
{containing one alkaline earth metal, magnesium or lead} [2013-01]
C01G 49/0045
. .
{containing aluminium} [2013-01]
C01G 49/0054
. .
{containing one rare earth metal, yttrium or scandium} [2013-01]
C01G 49/0063
. .
{containing zinc} [2013-01]
C01G 49/0072
. .
{containing manganese} [2013-01]
C01G 49/0081
. .
{containing iron in unusual valence state [IV, V, VI]} [2018-08]
C01G 49/009
.
{Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements} [2025-01]
C01G 49/02
.
Oxides; Hydroxides {(C01G 49/0018 takes precedence)} [2013-01]
C01G 49/04
. .
Ferrous oxide [FeO] [2024-01]
C01G 49/06
. .
Ferric oxide [Fe2O3] [2024-01]
C01G 49/08
. .
Ferroso-ferric oxide [Fe3O4] [2024-01]
C01G 49/10
.
Halides {(C01G 49/0018 takes precedence)} [2013-01]
C01G 49/12
.
Sulfides {(C01G 49/0018 takes precedence)} [2013-01]
C01G 49/14
.
Sulfates {(C01G 49/0018 takes precedence)} [2013-01]
C01G 49/16
.
Carbonyls {(C01G 49/0018 takes precedence)} [2013-01]
​
C01G 51/00
Compounds of cobalt [2025-01]
WARNING

C01G 51/01
.
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange [2025-01]
C01G 51/02
.
Carbonyls [2013-01]
​
C01G 51/04
.
Oxides [2025-01]
WARNING

  • Group C01G 51/04 is impacted by reclassification into group C01G 51/05.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 51/05
.
Hydroxides; Oxyhydroxides [2025-01]
WARNING

  • Group C01G 51/05 is incomplete pending reclassification of documents from groups C01G 51/00 and C01G 51/04.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 51/06
.
Carbonates [2013-01]
​
C01G 51/08
.
Halides; Oxyhalides [2025-01]
WARNING

  • Groups C01G 51/08 and C01G 51/085 are incomplete pending reclassification of documents from group C01G 51/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 51/085
. .
{Chlorides; Oxychlorides} [2025-01]
C01G 51/10
.
Sulfates [2013-01]
​
C01G 51/15
.
Sulfides; Oxysulfides [2025-01]
WARNING

  • Group C01G 51/15 is incomplete pending reclassification of documents from group C01G 51/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 51/20
.
Complexes with ammonia [2025-01]
C01G 51/40
.
Complex oxides containing cobalt and at least one other metal element [2025-01]
C01G 51/42
. .
containing alkali metals, e.g. LiCoO2 [2025-01]
C01G 51/44
. . .
containing manganese [2025-01]
C01G 51/50
. . . .
of the type (MnO2)n-, e.g. Li(CoxMn1-x)O2 or Li(MyCoxMn1-x-y)O2 [2025-01]
C01G 51/52
. . . .
of the type (Mn2O4)2-, e.g. Li2(CoxMn2-x)O4 or Li2(MyCoxMn2-x-y)O4 [2025-01]
C01G 51/54
. . . .
of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4 [2025-01]
C01G 51/56
. . . .
of the type (MnO3)2-, e.g. Li2(CoxMn1-x)O3 or Li2(MyCoxMn1-x-y)O3 [2025-01]
C01G 51/58
. . . .
{of the type (Mn2O8)n-} [2025-01]
C01G 51/60
. . . .
{of the type (Mn2O7)n-} [2025-01]
C01G 51/62
. . . .
{of the type (Mn2O5)n-} [2025-01]
C01G 51/64
. . . .
{of the type (Mn5O12)n-} [2025-01]
C01G 51/66
. .
containing alkaline earth metals, e.g. SrCoO3 [2025-01]
C01G 51/68
. . .
containing rare earths, e.g. (La0.3Sr0.7)CoO3 [2025-01]
C01G 51/70
. .
containing rare earths, e.g. LaCoO3  (C01G 51/68 takes precedence) [2025-01]
​
C01G 51/80
.
Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements (C01G 51/02, C01G 51/06 - C01G 51/40 take precedence) [2025-01]
WARNING

  • Group C01G 51/80 is incomplete pending reclassification of documents from group C01G 51/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 51/82
. .
Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements [2025-01]
WARNING

  • Group C01G 51/82 is incomplete pending reclassification of documents from group C01G 51/00.
    Group C01G 51/82 is also impacted by reclassification into group C01G 51/84.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 51/84
. .
Hydroxides [2025-01]
WARNING

  • Group C01G 51/84 is incomplete pending reclassification of documents from groups C01G 51/00 and C01G 51/82.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 53/00
Compounds of nickel [2025-01]
WARNING

C01G 53/01
.
Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange [2025-01]
C01G 53/02
.
Carbonyls [2013-01]
​
C01G 53/04
.
Oxides [2025-01]
WARNING

  • Group C01G 53/04 is impacted by reclassification into group C01G 53/05.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 53/05
.
Hydroxides; Oxyhydroxides [2025-01]
WARNING

  • Group C01G 53/05 is incomplete pending reclassification of documents from groups C01G 53/00 and C01G 53/04.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 53/06
.
Carbonates [2013-01]
​
C01G 53/08
.
Halides; Oxyhalides [2025-01]
WARNING

  • Groups C01G 53/08 and C01G 53/09 are incomplete pending reclassification of documents from group C01G 53/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 53/09
. .
Chlorides; Oxychlorides [2025-01]
C01G 53/10
.
Sulfates [2013-01]
​
C01G 53/11
.
Sulfides; Oxysulfides [2025-01]
WARNING

  • Group C01G 53/11 is incomplete pending reclassification of documents from group C01G 53/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 53/12
.
Complexes with ammonia [2013-01]
C01G 53/40
.
Complex oxides containing nickel and at least one other metal element [2025-01]
C01G 53/42
. .
containing alkali metals, e.g. LiNiO2 [2025-01]
C01G 53/44
. . .
containing manganese [2025-01]
​
C01G 53/50
. . . .
of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 [2025-01]
WARNING

​
C01G 53/502
. . . . .
containing lithium and cobalt [2025-01]
WARNING

C01G 53/504
. . . . . .
with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5 [2025-01]
C01G 53/506
. . . . . . .
with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.8, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.8 [2025-01]
​
C01G 53/51
. . . . .
containing sodium [2025-01]
WARNING

  • Group C01G 53/51 is incomplete pending reclassification of documents from group C01G 53/50.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 53/52
. . . .
of the type (Mn2O4)2-, e.g. Li2(NixMn2-x)O4 or Li2(MyNixMn2-x-y)O4 [2025-01]
C01G 53/54
. . . .
of the type (Mn2O4)-, e.g. Li(NixMn2-x)O4 or Li(MyNixMn2-x-y)O4 [2025-01]
C01G 53/56
. . . .
of the type (MnO3)2-, e.g. Li2(NixMn1-x)O3 or Li2(MyNixMn1-x-y)O3 [2025-01]
C01G 53/58
. . . .
{of the type (Mn2O8)n-} [2025-01]
C01G 53/60
. . . .
{of the type (Mn2O7)n-} [2025-01]
C01G 53/62
. . . .
{of the type (Mn2O5)n-} [2025-01]
C01G 53/64
. . . .
{of the type (Mn5O12)n-} [2025-01]
C01G 53/66
. .
containing alkaline earth metals, e.g. SrNiO3 or SrNiO2 [2025-01]
C01G 53/68
. . .
containing rare earths, e.g. (La1.62 Sr0.38)NiO4 [2025-01]
C01G 53/70
. .
containing rare earths, e.g. LaNiO3  (C01G 53/68 takes precedence) [2025-01]
​
C01G 53/80
.
Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements (C01G 53/02, C01G 53/06 - C01G 53/40 take precedence) [2025-01]
WARNING

  • Group C01G 53/80 is incomplete pending reclassification of documents from group C01G 53/00.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 53/82
. .
Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements [2025-01]
WARNING

  • Group C01G 53/82 is incomplete pending reclassification of documents from group C01G 53/00.
    Group C01G 53/82 is also impacted by reclassification into group C01G 53/84.
    All groups listed in this Warning should be considered in order to perform a complete search.
​
C01G 53/84
. .
Hydroxides [2025-01]
WARNING

  • Group C01G 53/84 is incomplete pending reclassification of documents from groups C01G 53/00 and C01G 53/82.
    All groups listed in this Warning should be considered in order to perform a complete search.
C01G 55/00
Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum [2013-01]
C01G 55/001
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 55/002
.
{Compounds containing ruthenium, rhodium, palladium, osmium, iridium or platinum, with or without oxygen or hydrogen, and containing two or more other elements (C01G 55/007 takes precedence)} [2025-01]
C01G 55/004
.
{Oxides; Hydroxides} [2013-01]
C01G 55/005
.
{Halides} [2013-01]
C01G 55/007
.
{Compounds containing at least one carbonyl group} [2013-01]
C01G 55/008
. .
{Carbonyls} [2013-01]
C01G 56/00
Compounds of transuranic elements [2013-01]
C01G 56/001
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 56/002
. .
{by adsorption or by ion-exchange on a solid support} [2013-01]
C01G 56/003
.
{Compounds containing transuranic elements, with or without oxygen or hydrogen, and containing two or more other elements (C01G 56/001 takes precedence)} [2025-01]
C01G 56/004
.
{Compounds of plutonium (C01G 56/001 takes precedence)} [2013-01]
C01G 56/005
. .
{Oxides; Hydroxides} [2013-01]
C01G 56/006
. .
{Halides} [2013-01]
C01G 56/007
.
{Compounds of transuranic elements (C01G 56/001 and C01G 56/004 take precedence)} [2013-01]
C01G 56/008
. .
{Compounds of neptunium} [2013-01]
C01G 56/009
. .
{Compounds of americium} [2013-01]
C01G 99/00
Subject matter not provided for in other groups of this subclass [2013-01]
C01G 99/003
.
{Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange} [2013-01]
C01G 99/006
.
{Compounds containing a metal not provided for elsewhere in this subclass, with or without oxygen or hydrogen, and containing two or more other elements (C01G 99/003 takes precedence)} [2025-01]